.time_block {
    display: box;
    display: flex;
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flexbox;
    -webkit-box-orient: horizontal;
    -webkit-flex-direction: row;
    -moz-flex-direction: row;
    -ms-flex-direction: row;
    -o-flex-direction: row;
    flex-direction: row;
    -webkit-box-pack: space-between;
    -webkit-justify-content: space-between;  
    -moz-justify-content: space-between;  
    -ms-justify-content: space-between;  
    -o-justify-content: space-between;  
    justify-content: space-between;;
}

.time_block .time_block1 {
    display: box;
    display: flex;
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flexbox;
    -webkit-flex-direction:column;
    -moz-flex-direction:column;
    -ms-flex-direction:column;
    -o-flex-direction:column;
    flex-direction: column;
    -webkit-box-orient:vertical;
    -webkit-box-align: flex-start;  
    -webkit-align-items: flex-start;  
    -moz-align-items: flex-start;  
    -ms-align-items: flex-start;  
    -o-align-items: flex-start;  
    align-items: flex-start;  
}

.mistake_btn {
    background: url(../images/start_btn.png)no-repeat center;
    background-size: cover;
    width: 135px;
    height: 48px;
    display: block;
    line-height: 48px;
    color: #fff;
    font-size: 20px;
    text-align: center;
    margin-top: 21px;
    margin-right: 30px;
}